1、Unit 3,Language in use,比较级和最高级,形容词和副词的比较级和最高级的构成在前面已经,详细讲过,本单元主要掌握其常见句式。,1,同级比较的句型,(1)A.as,原级,as B,A,和,B,一样,(2)A.not so/as,原级,as B,A,不如,B,2,比,较级的句型,(1)A.,比较级,than B A,比,B,更,(2)Which/Who.,比较级,,A or B,?,A,和,B,哪一个,更,?,(3),比较级,and,比较级,越来越,(4)the,比较级,,the,比较级,越,就越,3,最,高级的句型,(1)the,最高级,of,或,in,短语,最,(2)Whi
2、ch/Who.,the,最高级,,A,,,B or C,?,A,、,B,和,C,哪一个最,?,(3)one of the,形 容 词 最 高 级 可 数 名 词 复 数,最,之一,Why dont you like winter in Beijing?,Because it is _ winter in Guangzhou.(2010,年,广,东,广州,),A,as cold as,C,not so cold as,B,much colder than,D,not colder than,B,题意:“你为什么不喜欢北京的冬天?”“因为,它比广州的冬天冷多了。”由题意可知选,B,。,The bu
3、sier he is,the _ he feels.(2010,年,广,东,肇,庆,),A,more happily,B,more happy,C,happier,C,the more.,,,the more.,意 为“越,就,越,”,;,happy,的比较级是,happier,,且,feel,后接形容,词作表语,故选,C,。,It becomes much _ to provide enough,energy for a big city with a larger population.(2010,年,广,东,佛山,),A,difficult,B,more difficult,C,most
4、 difficult,B,题意:为一个人口众多的大城市提供足够的能源,变得更加困难。,much,用来修饰形容词或副词的比较级,,且由题意可知选,B,。,_ people are taking action to protect the,environment now.,Yes._ of my classmates come to school by,bike now.(2010,年广,东,深圳,),A,More and more;Four fifth,B,Less and less;Four fifth,C,More and more;Four fifths,D,Less and less;Four fifths,C,题意:“越来越多的人现在开始采取行动保护环,境。”“是的。我的同学五分之四都是骑自行车去上,学。”“,more and more,复数名词”为比较级的特殊句,型,表示“越来越多的,”,,符合题意;当数词为分,数时,分子大于一,分母需用复数形式。,s,A,long,C,short,B,longest,D,shortest,B,题意:长江是中国最长的河。由常识可知选,B,。,The,Changjiang,River is the _ river in,China.(2009,年广,东,),